Professional Engineering Consultants, P.A. Share: Engineering Firms Professional Engineering Consultants, P.A. Visit Website 4150 S. 100th E. Ave. Suite #401 Tulsa, OK 74146 (918) 664-5400 (918) 664-0200 (fax) http://www.pec1.com About Map About Professional Engineering Consultants, P.A. provides comprehensive, multi-disciplined engineering services including: Transportation; Water & Wastewater; Municipal Services; Land Development; Mechanic What's Nearby? Distance: 5 10 15 20 25 50 mi.